201001002212 has 12 divisors (see below), whose sum is σ = 352068940860. Its totient is φ = 100409876256.

The previous prime is 201001002193. The next prime is 201001002263. The reversal of 201001002212 is 212200100102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42934326436 + 158066675776 = 207206^2 + 397576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201001002193 and 201001002202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22651223 + ... + 22660094.

It is an arithmetic number, because the mean of its divisors is an integer number (29339078405).

Almost surely, 2^201001002212 is an apocalyptic number.

It is an amenable number.

201001002212 is a deficient number, since it is larger than the sum of its proper divisors (151067938648).

201001002212 is a wasteful number, since it uses less digits than its factorization.

201001002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45312430 (or 45312428 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201001002212 its reverse (212200100102), we get a palindrome (413201102314).

The spelling of 201001002212 in words is "two hundred one billion, one million, two thousand, two hundred twelve".